Finding the Fourth Proportional to 903,531.98, 1,246,862.51 and 516,342.97
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Solution
The fourth proportional to 903,531.98, 1,246,862.51 and 516,342.97 is: 712,546.65
Step by Step Solution
- Step 1: Write the proportion equation
903,531.98 : 1,246,862.51 = 516,342.97 : x - Step 2: Convert to fraction form
903,531.98/1,246,862.51 = 516,342.97/x - Step 3: Cross multiply
903,531.98x = 1,246,862.51 × 516,342.97 - Step 4: Simplify right side
903,531.98x = 643,808,688,414.33 - Step 5: Solve for x
x = 643,808,688,414.33/903,531.98 - Step 6: Final answer
x = 712,546.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.